APA (7th ed.) Zitazioa
ebrary, Inc, & Hardy, I. (2002). Sex ratios: Concepts and research methods. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Ian Hardy. Sex Ratios: Concepts and Research Methods. Cambridge: Cambridge University Press, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Ian Hardy. Sex Ratios: Concepts and Research Methods. Cambridge University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.